package cn.itrip.trade.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;


/**
 * @Author：小伟
 * @Description: 跨域配置
 * @Date:Create In 2019-12-21
 */
@Configuration
public class CorsConfig {
    private CorsConfiguration buildConfig(){
        CorsConfiguration corsConfiguration=new CorsConfiguration();
        //1允许任何域名使用
        corsConfiguration.addAllowedOrigin("*");
        //2允许任何头
        corsConfiguration.addAllowedHeader("*");
        //3允许任何方法(post,get等)
        corsConfiguration.addAllowedMethod("*");
        return corsConfiguration;
    }

    /**
     * 创建 CorsFilter 对象
     * @return CorsFilter
     */
    @Bean
    public CorsFilter corsFilter(){
        UrlBasedCorsConfigurationSource source=new UrlBasedCorsConfigurationSource();
        //拦截所有请求
        source.registerCorsConfiguration("/**",buildConfig());
        return new CorsFilter(source);
    }
}
















